[interpreter] Add register output to ObjectLiteral

test/cctest/interpreter/bytecode_expectations/CompoundExpressions.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: mixed
 execute: yes
 wrap: yes
 
 ---
@@ skipping 43 matching lines @@
 
 ---
 snippet: "
   var a = { val: 2 }; a.name *= 2;
 "
 frame size: 3
 parameter count: 1
 bytecode array length: 24
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1),
-                B(Star), R(1),
-                B(Star), R(0),
+  /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1), R(1),
+                B(Mov), R(1), R(0),
   /*   54 S> */ B(LdrNamedProperty), R(0), U8(1), U8(1), R(2),
                 B(LdaSmi), U8(2),
                 B(Mul), R(2),
   /*   61 E> */ B(StaNamedPropertySloppy), R(0), U8(1), U8(3),
                 B(LdaUndefined),
   /*   67 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
   InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = { 1: 2 }; a[1] ^= 2;
 "
 frame size: 4
 parameter count: 1
 bytecode array length: 27
 bytecodes: [
   /*   30 E> */ B(StackCheck),
-  /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1),
-                B(Star), R(1),
-                B(Star), R(0),
+  /*   42 S> */ B(CreateObjectLiteral), U8(0), U8(0), U8(1), R(1),
+                B(Mov), R(1), R(0),
   /*   52 S> */ B(LdaSmi), U8(1),
                 B(Star), R(2),
                 B(LdrKeyedProperty), R(0), U8(1), R(3),
                 B(LdaSmi), U8(2),
                 B(BitwiseXor), R(3),
   /*   57 E> */ B(StaKeyedPropertySloppy), R(0), R(2), U8(3),
                 B(LdaUndefined),
   /*   63 S> */ B(Return),
 ]
 constant pool: [
@@ skipping 21 matching lines @@
   /*   77 E> */ B(StaContextSlot), R(context), U8(4),
                 B(LdaUndefined),
   /*   84 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]